OpenTechnical

OT-2026-000017765

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000017765) never changes.

Identity and time

Publication numberOT-2026-000017765 · never reused
Internal UUID01a0ae6e-96fa-7629-9861-90ef05fd1298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017765
StatusPUBLIC

Content hashes

Canonical text81486d2c20b74a56473c7ce17d7fd4bebc1a2b9eb8c62e7e9ac4292dfd9e433d
Markdown0fbc4783721f84cd2e50f1e63c0b4a1641f7aad165ba2e7d15c002c4b030094d
PDF
Publication pagefa380cf718e53c72588d1d0ce7451fc4aa29ff90b25f53c632d29bf312f8b9f5
Manifest7f4d7b7b6bf6338f21a46fb36054ca4f93b75cc158c94580800f2981a22921e9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturesKPeJVnfvreR5t0ItHjKt5ncbyxi0wanV8J4tx/GiDsmK+OeozM/3cH6Zc/B+BuOlu6Es7rNXNAXnFXIMaaKDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:43.316415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017765
observed fa380cf718e53c72588d1d0ce7451fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.299486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017765/manifest.json
observed 7f4d7b7b6bf6338f21a46fb36054ca4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.282093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017765/publication.md
observed 0fbc4783721f84cd2e50f1e63c0b4a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.266727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017765/publication.txt
observed 81486d2c20b74a56473c7ce17d7fd4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.